K61.0

Billable

ChapterK00–K95

Ranksubcategory

Official Description

Anal abscess

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Billable/specific code (valid for reimbursement).
•Chapter 11: Diseases of the Digestive System (K00-K95).

Instructional Notes

Includes

Perianal abscess

Excludes2(Not included here)

intrasphincteric abscess (K61.4)

General instructions are available for the parent sections:

View CH11 Notes View K61 Notes

Clinical Hierarchy

CH11Diseases of the digestive system (K00-K95)

K55-K64Other diseases of intestines (K55-K64)

K61Abscess of anal and rectal regions

K61.0Anal abscess

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K61.0:

categoryK61

Abscess of anal and rectal regions

View context instructions

chapterCH11

Diseases of the digestive system (K00-K95)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to K61.0. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

6 raw paths

Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)3 unique routes

anus→K61.0

marginal, anus→K61.0

perianal→K61.0

Carbuncle1 unique routes

anus→K61.0

Cellulitis (diffuse) (phlegmonous) (septic) (suppurative)1 unique routes

anus→K61.0

Furuncle1 unique routes

anus→K61.0

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 393

Other Digestive System Diagnoses with MCC

DRG 394

Other Digestive System Diagnoses with CC

DRG 395

Other Digestive System Diagnoses without CC/MCC

DRG 791

Prematurity with Major Problems

DRG 793

Full Term Neonate with Major Problems

Cross Reference

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